laerkehoej.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 2042ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.23.72	598s	—	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	laerkehoej-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09::b 2a01:111:f403:ca48::8 52.101.73.1 52.101.73.15 52.101.73.19 52.101.73.2	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 179ms

TXT Record
MS=ms10700379
v=spf1 ip4:178.72.23.64/26 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (laerkehoej.dk)
-all (hard fail)	v=spf1 ip4:178.72.23.64/26 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.laerkehoej.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:administrator@laerkehoej.dk; fo=s; aspf=s;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC81ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026081901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

2042ms

MX

47ms

AAAA

39ms

TXT

179ms

CAA

42ms

HTTPS

47ms

TLSA

599ms

SOA

0ms

MTA-STS

59ms

DNSSEC

81ms

SRV

51ms

Total

3021ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:34:39	3021ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 01:32:33	962ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 18:24:37	8692ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 02:49:40	4043ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 19:32:45	1303ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 12:04:39	2263ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-21 04:40:11	868ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:57:15	833ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:12:48	1100ms	2 NS 1 A 1 MX	🔒 Secure	View